Added blur as cover.

k-o-d-e-n · Jun 28, 2020 · ce3a5db · ce3a5db
1 parent 7fd3fed
commit ce3a5db
Show file tree

Hide file tree

Showing 6 changed files with 33 additions and 9 deletions.
diff --git a/Example/Podfile b/Example/Podfile
@@ -1,3 +1,4 @@
+platform :ios, 11.0
 use_frameworks!
 
 target 'PopUpButton_Example' do

diff --git a/Example/Podfile.lock b/Example/Podfile.lock
@@ -1,5 +1,5 @@
 PODS:
-  - PopUpButton (1.0)
+  - PopUpButton (1.1)
 
 DEPENDENCIES:
   - PopUpButton (from `../`)
@@ -9,8 +9,8 @@ EXTERNAL SOURCES:
     :path: "../"
 
 SPEC CHECKSUMS:
-  PopUpButton: 1769a8faf9471c97f2ab08e5505204dec96bf362
+  PopUpButton: 514d10349d0907b9ad8d60f8910d49ab4ba7ae59
 
-PODFILE CHECKSUM: 94c6f2f9fa5f0b0f0753affc63203fb233199fc8
+PODFILE CHECKSUM: db87d1a7ac8a1795df5fe1bdc80f8349ae082ee7
 
 COCOAPODS: 1.9.1
diff --git a/Example/PopUpButton/ViewController.swift b/Example/PopUpButton/ViewController.swift
@@ -22,6 +22,7 @@ class ViewController: UIViewController {
         buttons = (0..<4).map({ i -> PopUpButton in
             let button = PopUpButton(items: items)
             button.backgroundColor = .black
+            button.cover = .blur(.dark)
             button.layer.cornerRadius = 12
             button.currentIndex = Double(i + 1) / 4.0 > 0.5 ? 5 : 15
             button.addTarget(self, action: #selector(popUpButtonTouchUpInside), for: .valueChanged)

diff --git a/PopUpButton.podspec b/PopUpButton.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name             = 'PopUpButton'
-  s.version          = '1.0'
+  s.version          = '1.1'
   s.summary          = 'A control for selecting an item from a list.'
   s.description      = <<-DESC
 "A control for selecting an item from a list. In other words, single motion `NSPopUpButton` for iOS."

diff --git a/README.md b/README.md
@@ -9,7 +9,7 @@ public final class PopUpButton : UIControl {
 
     public var selectedItemColor: UIColor? { get set }
 
-    public var coverBackgroundColor: UIColor? { get set }
+    public var cover: Cover { get set }
 
     public var anchor: Anchor { get set }
 
@@ -25,6 +25,11 @@ public final class PopUpButton : UIControl {
         case window
         case superview
     }
+
+    public enum Cover {
+        case color(UIColor?)
+        case blur(UIBlurEffect.Style)
+    }
 }
 
 ```

diff --git a/Sources/PopUpButton/PopUpButton.swift b/Sources/PopUpButton/PopUpButton.swift
@@ -18,7 +18,7 @@ public final class PopUpButton: UIControl {
 
     public var itemsColor: UIColor?
     public var selectedItemColor: UIColor?
-    public var coverBackgroundColor: UIColor? = #colorLiteral(red: 0.07058823529, green: 0.07058823529, blue: 0.07058823529, alpha: 0.9)
+    public var cover: Cover = .color(#colorLiteral(red: 0.07058823529, green: 0.07058823529, blue: 0.07058823529, alpha: 0.9))
 
     public var anchor: Anchor = .window
     public var items: [Item] = [] {
@@ -88,9 +88,9 @@ public final class PopUpButton: UIControl {
         guard let spaceView = anchor.view(for: self) else { return false }
         guard super.beginTracking(touch, with: event) && super.becomeFirstResponder() else { return false }
 
-        let cover = UIView(frame: spaceView.bounds)
+        let (cover, content) = self.cover.build()
+        cover.frame = spaceView.bounds
         spaceView.addSubview(cover)
-        cover.backgroundColor = coverBackgroundColor
 
         let current = views[currentIndex]
         current.backgroundColor = selectedItemColor ?? tintColor
@@ -100,7 +100,7 @@ public final class PopUpButton: UIControl {
             if i != currentIndex {
                 v.backgroundColor = itemsColor ?? backgroundColor
             }
-            cover.addSubview(v)
+            content.addSubview(v)
         })
         self.coverView = cover
 
@@ -193,6 +193,23 @@ extension PopUpButton {
         }
     }
 
+    public enum Cover {
+        case color(UIColor?)
+        case blur(UIBlurEffect.Style)
+
+        func build() -> (view: UIView, contentView: UIView) {
+            switch self {
+            case .color(let color):
+                let view = UIView()
+                view.backgroundColor = color
+                return (view, view)
+            case .blur(let style):
+                let view = UIVisualEffectView(effect: UIBlurEffect(style: style))
+                return (view, view.contentView)
+            }
+        }
+    }
+
     private final class ItemView: UIView {
         lazy var titleLabel: UILabel = {
             let lbl = UILabel()